1. CV of Teus van der Stelt
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Personal details
Name : ing. T.P. van der Stelt
First name : Teus (Teunis Pieter)
Date and place of birth : 25 mei 1963, Gorinchem, The Netherlands
Nationality : Netherlands
Resident in the Netherlands : De Schans 23, 5473 PH Heeswijk-Dinther
Telephone : 06-39662149
Email : TeusvanderStelt@iCloud.com
I am an experienced and driven software developer who is specialized in the analysis of technical and scientific
problems in the field of energy technology and thermodynamics, translates solutions into software and publishes
the results in high-ranked scientific journals. I am a reliable, solution-oriented en self-employed worker with a
strong analytic capacity and flexible attitude. What energizes me is working in multi disciplinary teams.
Work experience
• 2016 – , iTernergy, Researcher and Scientific Software Engineer
As owner and founder of iTernergy, it is my mission to provide solutions for thermodynamics and energy
related scientific problems by delivering consultancy, carrying out research, and developing software
supporting these tasks.
• 2016 – , Delft University of Technology, Propulsion Power Group, Guest Researcher
Employment as a researcher, being a specialist in thermodynamics and thermophysical properties, developing
thermodynamic models of fluids in combination with high level scientific software development.
• 2013 – 2016, Delft University of Technology, Aerospace Engineering Faculty, Propulsion Power, Research
Associate
Employment as a researcher, being a specialist in thermodynamics and thermophysical properties, developing
thermodynamic models of fluids in combination with high level scientific software development.
• 1986 – 2013, Delft University of Technology, 3mE Faculty, Process & Energy Department, Energy
Technology Section, Scientific Software Engineer.
During this period I have gradually developed, at first instance, as a software developer (programming
languages: Fortran and C/C++) who also carries out research and educational activities to especially a
researcher who develops software and publishes his results in scientific journals. In May 2011 I was invited to
come to the University of Brescia, Italy, in order to exchange knowledge and to collaborate on writing a paper.
Education
• PhD. course “Advanced Course on Thermodynamic Models: Fundamentals and Computational aspects”,
Technical University of Denmark, two weeks, January, 2008.
• Short higher education in information science and additional courses on software development, Open
University, Heerlen, study load 1200 hours, 1989-1995. Certificate “Short higher education information
science”: July 1992
• HTS Dordrecht, Mechanical engineering, 1980 – 1984
Publications
• T.P. van der Stelt, P. Colonna, Modeling working fluids for high temperature ORCs with PCP-SAFT: cyclic
siloxanes, perfluorocarbons and mixtures of siloxanes and perfluorocarbons (in preparation, to be submitted in
2016).
• T.P. van der Stelt, E. Casati, Nawin R. Nannan, P. Colonna, Development of technical equations of state for
mixtures of Diphenyl-Diphenyl ether used as heat transfer fluids, Fluid Phase Equilibria 393 (2015) 64–77.
• T.P. van der Stelt, P. Colonna, Experimental vapor pressures and thermodynamic models of perfluorocarbons
PP80 and PP90, Fluid Phase Equilibria 370 (2014) 50–57.

2. CV of Teus van der Stelt 2/2
• Nawin R. Nannan, Teus van der Stelt, Piero Colonna, and André Bardow, An equation of state based on PC-
SAFT for physical solvents composed of polyethylene glycol dimethylethers, Industrial & Engineering
Chemistry Research, Ind. Eng. Chem. Res. 52 (2013) 18401−18412.
• T.P. van der Stelt, N.R. Nannan, P. Colonna, The iPRSV equation of State, Fluid Phase Equilibria 330 (2012)
24–35.
• Costante M. Invernizzi, Teus van der Stelt, Supercritical and real gas Brayton cycles operating with mixtures
of carbon dioxide and hydrocarbons, Proceedings of the Institution of Mechanical Engineers, Part A: Journal
of Power and Energy 226 (5), 2012 682–693.
• Nico Woudstra, Theo Woudstra, Armando Pirone and Teus van der Stelt, Thermodynamic evaluation of
combined cycle plants, Energy Conversion and Management, Volume 51, Issue 5, May 2010, Pages 1099-
1110.
• P. Colonna, N.R. Nannan, A. Guardone, T.P. van der Stelt, On the computation of the fundamental derivative
of gas dynamics using equations of state, Fluid Phase Equilibria 286 (2009) 43–44.
• N. Woudstra, T. P. van der Stelt, and K. Hemmes, The Thermodynamic Evaluation and Optimization of Fuel
Cell Systems, in Proceedings of the 3rd
International Conference on Fuel Cell Science, Engineering and
Technology (S. Samuelsen and E. Ubong, eds.), no. 2005-74164, ASME, May 23–25, 2005.
Scientific reports
• Teus van der Stelt, The global warming impact of perfluorocarbon ORC working fluids, internal report ET -
2573, May, 2013.
• Teus van der Stelt, Piero Colonna, Overview on Working Fluids for ORC Waste Heat Recovery in
Automotive Applications, internal report, December, 2012.
• Teus van der Stelt, Thermodynamic models of perfluorocarbons PP80 and PP90, internal report, October,
2012.
• R. Nannan, T.P. van der Stelt, P. Colonna, Thermodynamic Properties of Single Component Fluids in the
Vapour-Liquid-Equilibrium Region”, internal report, 2005.
• T.P. van der Stelt, Cycle-Tempo programmatuurdocumentatie brandstofcelmodel,
intern rapport EV - 2102, september 2002
• Ing. T.P. van der Stelt, E.S. Ruyg, ir. N. Woudstra, IF97: a program module to calculate thermophysical
properties of water and steam according the IAPWS-IF97 industrial formulation, internal report, April 2000.
Developed software
• T.P. van der Stelt, © 2011-2013, software that calculates thermodynamic properties of fluids based on the
PCP-SAFT equation of state and addition of it to FluidProp.
• T.P. van der Stelt, P. Colonna, © 2004-now, FluidProp: a program for the estimation of thermo physical
properties of fluids, Energy Technology Section, Delft University of Technology, The Netherlands
(http://www.FluidProp.com).
• Ing. T.P. van der Stelt, ir. N. Woudstra, ir. Th. Woudstra, Dr. Ir. P. Colonna, © 1988-now, Cycle-Tempo: a
program for the thermodynamic analysis and optimization of systems for the production of electricity, heat
and refrigeration, Energy Technology Section, Delft University of Technology, The Netherlands
(http://www.Cycle-Tempo.nl).
• Ing. T.P. van der Stelt, E.S. Ruyg, ir. N. Woudstra, © 1998-2000, IF97: a program module to calculate
thermophysical properties of water and steam according the IAPWS-IF97 industrial formulation.
• Prof. A.H.C. van Paassen, ing. T.P. van der Stelt, © 2000-2004, Enerk: a computer program for the design and
analysis of Heating Ventilating and Air Conditioning systems, Energy Technology Section, Delft University
of Technology, The Netherlands.
Leisure time
• Sports (football, running, squash, hiking), reading books, photography.